16544211255 has 128 divisors (see below), whose sum is σ = 34670039040. Its totient is φ = 7379527680.

The previous prime is 16544211253. The next prime is 16544211287. The reversal of 16544211255 is 55211244561.

16544211255 is a `hidden beast` number, since 165 + 442 + 1 + 1 + 2 + 55 = 666.

It is not a de Polignac number, because 16544211255 - 2¹ = 16544211253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544211253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6504514 + ... + 6507056.

It is an arithmetic number, because the mean of its divisors is an integer number (270859680).

Almost surely, 2^16544211255 is an apocalyptic number.

16544211255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16544211255 is an abundant number, since it is smaller than the sum of its proper divisors (18125827785).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16544211255 is a wasteful number, since it uses less digits than its factorization.

16544211255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2912 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 16544211255 in words is "sixteen billion, five hundred forty-four million, two hundred eleven thousand, two hundred fifty-five".